On Agriogomphus tumens (Calvert, 1905), with a description of its male (Anisoptera: Gomphidae)
Odonatologica , Volume 4 - Issue 4 p. 237- 242
The d of A. tumens (Costa Rica) is described and illustrated for the first time. In addition, a historical for this species is provided, and a number of interspecific and intraspecific distinctive characters are considered and discussed.
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